Cognomen ทัศสวัสดิ์ (Tassawat 
, Tatsawat , ทัศสวัสดิ์ ) , in the entire world, is a very rare family name. The cognomen ทัศสวัสดิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, ทัศสวัสดิ์ is the forename as well as the last name.